While it's easy to see what the headlights at the front of our cars do, the same isn't necessarily true for lights at the rear. But we're not talking about brake lights. Put simply, tail lights, which ...

The Center High Mounted Stop Lamp became required lighting equipment on new cars in 1986 and light trucks in 1994. Aerogondo Getty Images/iStockphoto Question: I have questions about lights. For years ...